Topic summary
Battle of Gumbinnen
German Empire
Russian EmpireAugust von Mackensen
Paul von Rennenkampf1st Army224 machine guns and 408 guns
252 machine guns and 408 guns
Another estimate:
19,665 men, including 9,500 captured
The Battle of Gumbinnen, initiated by forces of the German Empire on 20 August 1914, was a German offensive on the Eastern Front during the First World War. Because of the hastiness of the German attack, the Russian Army emerged victorious.